
Authoritative
Trustworthy Experts
Use 'authoritative' when referring to people or texts respected for their deep knowledge.

She is an authoritative figure in child psychology.
Not Always Right
'Authoritative' doesn't mean infallible; even reliable sources can be questioned.

Despite the study's authoritative reputation, its findings were later challenged.
Subject-Specific
An 'authoritative' source is especially knowledgeable in a particular subject or field.

The book is considered an authoritative work on European history.
Compare with
AuthenticCommandCredibleDecisiveDominantExpertPowerfulTrustworthy
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension